teapot

flask server to run on rpi zero

dependencies

• flask $sudo pip3 install flask
• gunicorn $sudo pip3 install gunicorn
• pigpio (http://abyz.me.uk/rpi/pigpio/download.html)
• supervisor $sudo apt install supervisor
• bh1750 $sudo pip3 install adafruit-circuitpython-bh1750
• tca9548a(i2c multiplexer)$sudo pip3 install adafruit-circuitpython-tca9548a

how to

• install the dependencies
• enable the pigpiod at boot(for future)$sudo systemctl enable pigpiod
• start the pigpiod for current session$sudo systemctl start pigpiod
• make sure pigpiod is running (http://abyz.me.uk/rpi/pigpio/download.html)
• test the flask and gunicorn with $gunicorn app:app --bind 0.0.0.0
• update the teapot.conf(used for supervisor) file and create mentioned log folder (/var/log/teapot)
• copy the teapot.conf to /etc/supervisor/conf.d/teapot.conf
• reload the supervisor with $sudo supervisorctl reload

end points

GET /dc?pin=12 get the current dc for the PIN (PIN should be either 12 or 13)

POST /dc set the dc for the PIN (PIN should be either 12 or 13) curl -H "Content-Type: application/json" -X POST -d '{"dc":0,"pin":12,"freq":300}' http://192.168.2.231:5000/dc

GET /lux returns lux values from wired lux sensor